I would highly suggest mixing your own organic soil next time. When done this way you get what you want and can keep what you don't want out.
Unless your running C02 (I'm gonna take a guess that you aren't ) then yes 88 degrees is too high of a temperature. You wanna try to keep it between 68-78 degrees, 75-78 being best.
Just like wyteboi said. (If I remember right it was wyteboi? Over-indulged a little this morning
) you want your pots to run dry and ready for water about every 3-4 days. If it takes longer, add a little more mulch/wood compost or perlite next round. My last batch was a little heavy on peat so when I mixed with perlite prior to potting my mix was almost 50% soil/50% perlite. Whatever it takes to get the proper aeration and drainage.
Always feed and water when the plants tell you it's time, never follow a set "schedule".